chore: move rimraf to devDeps

Author: aminya

package.json

@@ -22,7 +22,6 @@
   "atomTestRunner": "./test/runner",
   "dependencies": {
     "fuzzaldrin-plus-fast": "^1.2.4",
-    "rimraf": "^3.0.2",
     "vscode-jsonrpc": "5.0.1",
     "vscode-languageserver-protocol": "3.15.3",
     "vscode-languageserver-types": "3.15.1"
@@ -40,6 +39,7 @@
     "eslint": "^7.18.0",
     "mocha": "^8.2.1",
     "mocha-appveyor-reporter": "^0.4.2",
+    "rimraf": "^3.0.2",
     "sinon": "^9.2.4",
     "typescript": "~4.1.3"
   }